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| Coating color : |
Light green |
| Marking : |
Color code
(0.25W, 0.5W, 1W)
Alphanumeric
(2W, 3W, 5W) |
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 Construction |
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| 1. |
Marking |
| 2. |
Flame retardant insulation coating |
| 3. |
Trimming line |
| 4. |
Ceramic core |
| 5. |
Electrode cap |
| 6. |
Lead wire |
| 7. |
Resistive film |
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Features |
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Small size power type resistors. |
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Flame retardant coating. (Equivalent to
UL94 V-0) |
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Automatic insertion is applicable. |
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Various types of formings are available. |
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High reliability. |
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Excellent in pulse characteristic. |
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Products meet
EU-RoHS requirements. |
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| Type |
Dimensions (mm) |
Weight (g)
(1000pcs) |
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L |
C Max. |
D |
d (Nominal) |
 |
| SPR(X)1/4 |
3.3 0.3 |
3.5 |
1.70.3 |
0.45 |
20Min. |
140 |
| SPR(X)1/2 |
6.20.5 |
7.1 |
2.50.5 |
0.6 |
24Min. |
250 |
| SPR(X)1 |
9.01.0 |
11.1 |
3.50.5 |
0.8 |
500 |
| SPR(X)2 |
12.01.0 |
15.0 |
4.20.8 |
800 |
| SPR(X)3 |
15.51.0 |
18.0 |
6.01.0 |
303 |
1,400 |
| SPR(X)5 |
24.51.0 |
28.0 |
9.01.0 |
383 |
4,600 |
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| SPR |
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1 |
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C |
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T52 |
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A |
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103 |
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J |
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| Product Code |
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Power Rating |
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Terminal
Surface Material |
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Taping & Forming |
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Packaging |
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Nominal Resistance |
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Resistance Tolerance |
| SPR : |
Special Power Resistors
(Small type) |
| SPRX : |
Fixed Metal Film
Resistors(Small type) |
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1/4
: 0.25W
1/2 : 0.5W
1 : 1W
2 : 2W
3 : 3W
5 : 5W |
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C :
SnCu
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See table below |
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Nil:BOX |
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| F : |
4digits |
| G, J : |
3digits |
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F : 1%
G : 2%
J : 5%
(F : SPR Only) |
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Contact us when you have control request for environmental hazardous material other than the substance specified by EU-RoHS.
For further information on taping, please refer
to Common Specification. |
| Type |
Axial Taping |
Stand-off Axial Taping |
VT Radial Taping |
GT Radial Taping |
| T26 |
T52 |
T521 |
T631 |
L52
|
L521 |
L631 |
VT |
VTP |
VTE |
GT |
| SPR(X)1/4C |
 |
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— |
— |
— |
— |
— |
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— |
— |
— |
| SPR(X)1/2C |
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— |
— |
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— |
— |
— |
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| SPR(X)1C |
— |
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— |
— |
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— |
— |
— |
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— |
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| SPR(X)2C |
— |
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— |
— |
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— |
— |
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— |
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| SPR(X)3C |
— |
— |
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— |
— |
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— |
— |
— |
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| SPR(X)5C |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
| Type |
L Forming |
U Forming |
M Forming |
| L10A |
L12.5A |
L15A |
L20A |
L25A |
L30A |
L35A |
U |
M10 |
M12.5 |
M15 |
M20 |
| SPR(X)1/4C |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
| SPR(X)1/2C |
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— |
— |
— |
— |
— |
— |
— |
M10F |
— |
— |
— |
| SPR(X)1C |
— |
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— |
— |
— |
— |
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— |
M12.5D |
M15F |
— |
| SPR(X)2C |
— |
— |
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— |
— |
— |
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— |
— |
M15E |
M20U |
| SPR(X)3C |
— |
— |
— |
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— |
— |
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— |
— |
— |
M20E |
| SPR(X)5C |
— |
— |
— |
— |
— |
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— |
— |
— |
— |
— |
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Type |
Power Rating |
Resistance Range ( )
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T.C.R.
(×10-6/K) |
Max. Working
Voltage |
Max. Overload
Voltage |
Dielectric Withstanding Voltage |
F :  1%
E24•E96 |
G : 2%
E24 |
J : 5%
E24 |
350 |
+350 
-600 |
| SPR1/4C |
1/4W |
— |
— |
2.2  10k |
2.2 10k |
— |
250V |
500V |
300V |
| SPR1/2C |
1/2W |
10 100k |
10 100k |
2.2 240k |
2.2 91k |
100k |
400V |
800V |
500V |
| SPR1C |
1W |
2.2 330k |
500V |
1,000V |
| SPR2C |
2W |
2.2 510k |
2.2 110k |
120k |
700V |
| SPR3C |
3W |
2.2 750k |
2.2 130k |
150k |
| SPR5C |
5W |
2.2 1M |
2.2 220k |
240k |
600V |
1,200V |
800V |
| SPRX1/4C |
1/4W |
— |
— |
0.1 2.0 |
0.1 2.0 |
— |
E=√(P×R) |
E×2.5 |
300V |
| SPRX1/2C |
1/2W |
500V |
| SPRX1C |
1W |
| SPRX2C |
2W |
700V |
| SPRX3C |
3W |
| SPRX5C |
5W |
800V |
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Rated Ambient Temperature : +70
Operating Temperature Range : -55 +200
Rated voltage=√(Power Rating×Resistance value) or Max. working voltage, whichever is lower. |
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| For resistors operated at an ambient temperature of 70 or above, a power rating shall be derated in accordance with the left derating curve. |
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Application Notes
Brush up your circuit
Basic Knowledge
